Klipsch CDT-3650-C 6.5" Two-Way Pivoting In-Ceiling Loudspeaker 50-Watts (200-Watts peak) Power Handling Two-way system using one 1 (2.5cm) aluminum dome compression tweeter with a swiveling 100-degrees drive components Tractrix Horn and one 6.5 (16.5cm) pivoting IMG woofer Accommodates 12 Gauge Wire Diameter - 9.5 (24.1cm)